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    SubjectRe: [patch] mspec - special memory driver and do_no_pfn handler
    Benjamin Herrenschmidt wrote:
    >> Quite frankly, I don't think nopfn() is a good interface. It's only usable
    >> for one single thing, so trying to claim that it's a generic VM op is
    >> really not valid. If (and that's a big if) we need this interface, we
    >> should just do it inside mm/memory.c instead of playing games as if it was
    >> generic.
    > Or just use sparsemem and create struct pages for your hw :) we do that
    > for SPUs on Cell, works like a charm.

    Well then the question is, would it simplify the code using no_pfn in
    this case? Hacking up fake struct page entries seems even more of a
    hack to me.


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      Last update: 2006-03-17 10:18    [W:0.022 / U:4.196 seconds]
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